Update RuboCop to 1.17 (#35136).

git-svn-id: http://svn.redmine.org/redmine/trunk@21039 e93f8b46-1217-0410-a6f0-8f06a7374b81

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config --exclude-limit 20 --no-offense-counts --no-auto-gen-timestamp`
-# using RuboCop version 1.16.0.
+# using RuboCop version 1.17.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new

Gemfile

@@ -92,7 +92,7 @@ group :test do
   gem "selenium-webdriver"
   gem 'webdrivers', '~> 4.4', require: false
   # RuboCop
-  gem 'rubocop', '~> 1.16.0'
+  gem 'rubocop', '~> 1.17.0'
   gem 'rubocop-performance', '~> 1.11.0'
   gem 'rubocop-rails', '~> 2.10.1'
 end